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Rypticus courtenayi McCarthy, 1979
Socorro soapfish

Life   Vertebrata   Fish   Serranidae   Rypticus

Rypticus courtenayi
© Copyright Photographer/SFTEP, 2002 · 0
Rypticus courtenayi

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Rypticus courtenayi
© Copyright Photographer/SFTEP, 2002 · 0
Rypticus courtenayi

Main identification features
  • tan, cream spots upper body and operculum, fins dark
  • d: ii
  • chin rounded, no fleshy tip
Elongate, very compressed; median fins thick, fleshy; rounded tail and pectoral fins; dorsal fin II (rarely III), 23-26 rays; anal 15-17 rays, no spines; pectoral 14-16 rays; 7-9 rakers on first gill arch; 3 spines on operculum, usually 2 on preopercle ; lower jaw only slightly projecting, sometimes with fleshy point; pores along lower surface of jaw numerous, evenly spread; numerous small pores along entire edge of preopercle.

Body and fins tan; small, well defined cream spots on upper body, concentrated anteriorly; on head spots only on upper operculum; usually no spots on fins; Juvenile: dark brown; cream spots in same pattern as adult; median fins dark brown, with thin white margins; cream stripe along nape; 2-3 irregular, broken dark lines behind eye to edge of operculum.

Size: 24 cm.

Habitat: rocky reef.

Dept: 5-20 m.

Endemic to the Revillagigedos Islands.

Abundance: Common.
Cites: Not listed.
Climate Zone: Northern Tropical (Mexican Province to Nicaragua + Revillagigedos).
Depth Range Max: 20 m.
Depth Range Min: 5 m.
Diet: bony fishes.
Eastern Pacific Range: Northern limit=20; Southern limit=19; Western limit=-115; Eastern limit=-111; Latitudinal range=1; Longitudinal range=4.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Reef Associated.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Reef associated (reef + edges-water column & soft bottom); Rocks; Reef (rock &/or coral); Reef only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 24 cm.
Regional Endemism: Island (s) only; Island (s); TEP endemic; TEP oceanic island (s) endemic; Revillagigedos Islands endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;

Scientific source:

Links to other sites

  • Castro-Aguirre, J.L. and Balart, E.F., 2002., La ictiofauna de las islas Revillagigedos y sus relaciones zoogeograficas, con comentarios acerca de su origen y evolucion. En: Lozano-Vilano, M. L. (Ed.). Libro Jubilar en Honor al Dr. Salvador Contreras Balderas., Universidad Autonoma de Nuevo León:153-170.
  • McCarthy, L.V., 1979., Eastern Pacific Rypticus (Pisces: Grammistidae)., Copeia, 1979(3):393-400.
  • Passos Guimarães, R. Z., 1999., Revision, phylogeny and comments on biogeography of soapfishes of the genus Rypticus (Teleostei:Serranidae)., Bull. Mar. Sci., 65:337-379.
  • Ricker, K.E., 1959., Fishes collected from the Revillagigedo Islands during the 1954-1958 cruises of the "Marijean."., Univ. Brit. Columbia Inst. Fish., Mus. Contrib., 4:10pp.


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